Search the Largest Inventory of Diesel Engine Parts

For over 35 years, we have built our business on carrying a large diesel parts inventory, rebuilt engines, remanufacturing engine capabilities, customer service and professionalism. Whether you need your engine rebuilt or just a few parts, the Diesel Specialists Team is waiting to assist you.

Caterpillar® and all of the Caterpillar® engine models listed on this website are registered trademarks of Caterpillar, Inc.Cummins® and all of the Cummins® engine models listed on this website are registered trademarks of Cummins.Detroit Diesel® and all of the Detroit Diesel® engine models listed on this website are registered trademarks of Daimler Chrysler AG.Diesel Specialists, LLC is not an authorized dealer for Caterpillar, Cummins, or Detroit Diesel.None of the parts beginning with "DS" or "R" are genuine Detroit Diesel, Cummins, or Caterpillar items.